Home / 3,265.61-4,898.40-1,391.01

Finding the Fourth Proportional to 3,265.61, 4,898.40 and 1,391.01

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Solution

The fourth proportional to 3,265.61, 4,898.40 and 1,391.01 is: 2,086.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,265.61 : 4,898.40 = 1,391.01 : x
  2. Step 2: Convert to fraction form
    3,265.61/4,898.40 = 1,391.01/x
  3. Step 3: Cross multiply
    3,265.61x = 4,898.40 × 1,391.01
  4. Step 4: Simplify right side
    3,265.61x = 6,813,723.38
  5. Step 5: Solve for x
    x = 6,813,723.38/3,265.61
  6. Step 6: Final answer
    x = 2,086.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.